We will assume that thsi is a regular 6-sided die numbered from 1 to 6

Then the outcomes are: 1,2,3,4,5,6

Then the probability of chosen a 4 = 1/6

Then the probability of rolling a number that is NOT 4 is:

P(not 4)= 1- P(4)

= 1 - 1/6

= 5/6

**Then the probability is 5/6**

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